Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 Kb5 win in 1 half-moves
3 Ra8 win in 1 half-moves
4 Rc7 win in 1 half-moves
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Kb6 loss in 2 half-moves
9 Kb7 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rg7 loss in 2 half-moves
12 Rh7 loss in 2 half-moves